Home / 2,508.30-3,758.13-1,663.47

Finding the Fourth Proportional to 2,508.30, 3,758.13 and 1,663.47

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Solution

The fourth proportional to 2,508.30, 3,758.13 and 1,663.47 is: 2,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.30 : 3,758.13 = 1,663.47 : x
  2. Step 2: Convert to fraction form
    2,508.30/3,758.13 = 1,663.47/x
  3. Step 3: Cross multiply
    2,508.30x = 3,758.13 × 1,663.47
  4. Step 4: Simplify right side
    2,508.30x = 6,251,536.51
  5. Step 5: Solve for x
    x = 6,251,536.51/2,508.30
  6. Step 6: Final answer
    x = 2,492.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.